diff options
| -rw-r--r-- | butl/optional | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/butl/optional b/butl/optional index 21d686c..18eb67e 100644 --- a/butl/optional +++ b/butl/optional @@ -20,10 +20,10 @@ namespace butl public: typedef T value_type; - optional (): null_ (true) {} - optional (nullopt_t): null_ (true) {} - optional (const T& v): value_ (v), null_ (false) {} - optional (T&& v): value_ (std::move (v)), null_ (false) {} + constexpr optional (): value_ (), null_ (true) {} // VC14 needs value_(). + constexpr optional (nullopt_t): value_ (), null_ (true) {} + constexpr optional (const T& v): value_ (v), null_ (false) {} + constexpr optional (T&& v): value_ (std::move (v)), null_ (false) {} optional& operator= (nullopt_t) {value_ = T (); null_ = true; return *this;} optional& operator= (const T& v) {value_ = v; null_ = false; return *this;} |